251264

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{151}}^1$

素因数の和:178

約数の個数: 32

約数和(自身を含む): 542640

約数和(自身を除く): 291376

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 151, 208, 302, 416, 604, 832, 1208, 1664, 1963, 2416, 3926, 4832, 7852, 9664, 15704, 19328, 31408, 62816, 125632, 251264]

約数ペア:

[(1, 251264), (2, 125632), (4, 62816), (8, 31408), (13, 19328), (16, 15704), (26, 9664), (32, 7852), (52, 4832), (64, 3926), (104, 2416), (128, 1963), (151, 1664), (208, 1208), (302, 832), (416, 604)]